#include<bits/stdc++.h>
using namespace std;
int cnt[100010],n,x,mx = -1;
int main(){
  freopen("duel.in","r",stdin);
  freopen("duel.out","w",stdout);
  cin >> n;
  for(int i = 1;i <= n;i++){
    cin >> x;
    cnt[x]++;
    mx = max(mx,cnt[x]);
  }
  cout << mx;
  return 0;
}
